Question: Who is the {student of} the {student} of {Michael_Faraday} ?
Paraphrase: Who is the {understudy of} the {understudy} of {Michael_Faraday} ?
SPARQL (Wikidata): SELECT ?ans_1 ?ans_2 WHERE { wd:Q8750 wdt:P1066 ?ans_1 . wd:Q8750 wdt:P802 ?ans_2 }
Answer: Humphry Davy, Charles Joseph Hullmandel